Electrolux SM 554 Instrukcja Obsługi Pobierz pdf (Strona 75)

Service

Manual

9406

30. Motor

In two cases the machine will be halted without indication:

• Overvoltage in feed.

• Motor and/or motor control overheated.

Motor does not operate when it should

• Check the voltage feed to the motor control unit by:

- Disconnecting XM4 (quick connector)

- Using a voltmeter (AC) to measure between pins XM4:1-2.

Correct value = 220 V (208 - 240 V)

- Using a voltmeter (DC) to measure between XM6:1-4.

Coorrect value = 250-375 V. If not, check fuse

Motor does not operate or operates at wrong speed

• Check against the table below whether the motor is receiving the correct

control code from the speed selector circuit board. Measure at connection

X99:1 - 4 with XM2:1 as reference point.

Speed pin 1 pin 2 pin 3 pin 4

0 Stop 0 V 0 V 0 V 0 V

1 Wash speed, right 0 V 0 V 0 V 24 V

2 Wash speed, left 0 V 0 V 24 V 0 V

3 Distribution 0 V 0 V 24 V 24 V

4 Stop 0 V 24 V 0 V 0 V

5 Reduced wash speed, right 0 V 24 V 0 V 24 V

6 Reduced wash speed, left 0 V 24 V 24 V 0 V

7 Stop 0 V 24 V 24 V 24 V

8 Extraction 8 (HC) 24 V 0 V 0 V 0 V

9 Extraction 1 (LC) 24 V 0 V 0 V 24 V

10 Extraction 2 (LC) 24 V 0 V 24 V 0 V

11 Extraction 3 (LC) 24 V 0 V 24 V 24 V

12 Extraction 4 (HC) 24 V 24 V 0 V 0 V

13 Extraction 5 (HC) 24 V 24 V 0 V 24 V

14 Extraction 6 (HC) 24 V 24 V 24 V 0 V

15 Extraction 7 (HC) 24 V 24 V 24 V 24 V

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 90 91

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Electrolux SM 554 Instrukcja Obsługi Strona 75